Chapter 8 - Further Techniques and Applications of Integration - 8.2 Volume and Average Value - 8.2 Exercises - Page 440: 35

$42.5$

Use the formula for average value with a=0 and b=6. The average price is: $\frac{1}{6-0}\int^{6}_{0}(37+6e^{-0.03t})dx=\frac{1}{6}(37t+\frac{6}{-0.03}e^{-0.03t})|^{6}_{0} \approx \frac{233}{6} \approx 42.49 \approx 42.5$